Add 70/98 and 42/20
1st number: 70/98, 2nd number: 2 2/20
70/98 + 42/20 is 197/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 98 × 10 = 980,
70/98 = 70 × 10/98 × 10 = 700/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
42/20 = 42 × 49/20 × 49 = 2058/980 - Add the two like fractions:
700/980 + 2058/980 = 700 + 2058/980 = 2758/980 - 2758/980 simplified gives 197/70
- So, 70/98 + 42/20 = 197/70
In mixed form: 257/70
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